gcc/testsuite/gcc.c-torture/compile/920928-2.c

   1 typedef struct{struct{char*d;int b;}*i;}*t;
   2 double f();
   3 g(p)t p;
   4 {
   5   short x,y,delta,s,w,h,fx,fy,tx,ty;
   6   int q1,q2,q3,q4;
   7   h=f((ty-fy)/2.0+0.5);
   8   s=(((int)((short)(tx-fx))<(int)((short)(ty-fy)))?((short)(tx-fx)):((short)(ty-fy)))%2;
   9   delta=(((int)(w)<(int)(h))?(w):(h))-s;
  10   for(x=0;x<=delta;x++)
  11     for(y=1-s;y<=delta;y++){
  12       q1=((int)((*(p->i->d+(fx+w+x)/8+(fy+h+y)*p->i->b)&(1<<((fx+w+x)%8)))?1:0));
  13       q2=((int)((*(p->i->d+(fx+w+y)/8+(fy+h-s-x)*p->i->b)&(1<<((fx+w+y)%8)))?1:0));
  14       q3=((int)((*(p->i->d+(fx+w-s-x)/8+(fy+h-s-y)*p->i->b)&(1<<((fx+w-s-x)%8)))?1:0));
  15       q4=((int)((*(p->i->d+(fx+w-s-y)/8+(fy+h+x)*p->i->b)&(1<<((fx+w-s-y)%8)))?1:0));
  16       if(q4!=q1)
  17         ff(p,fx+w-s-y,fy+h+x);
  18     }
  19 }